Skate boot



FIG. 1 is a top, front and right side perspective view of a skate boot showing my new design, the broken-line showing of a skate chassis is environmental only and forms no part of the claimed design;

FIG. 2 is a bottom, front and right side perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is left side elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a skate boot, as shown and described. 